Expansion Block/Orifice Tube: Service and Repair
EXPANSION (ORIFICE) TUBE REPLACEMENTTOOLS REQUIRED
- J 38042 Dual O-Ring Tube Separator
- J 39400 Electronic Halogen Leak Detector
REMOVAL PROCEDURE
1. Recover the refrigerant from the system. Refer to Refrigerant Recovery and Recharging.
2. Loosen the discharge hose to evaporator inlet fitting using the J 38042.
3. Separate the fitting.
4. Remove the expansion tube (1) from the evaporator hose assembly (2).
INSTALLATION PROCEDURE
1. Lubricate the O-ring with refrigerant oil.
2. Install the expansion tube (1) into the evaporator hose assembly (2).
3. Connect the discharge hose to evaporator inlet line fitting.
4. Tighten the discharge hose to evaporator inlet line fitting.
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten
Tighten the nut to 24 N.m (18 lb ft).
5. Reposition the line into the original position in the plastic hold-down clamp.
6. Recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging.
7. Leak test the fittings of the repaired or reinstalled component using J 39400.